Home / 208,476,501.48-287,578,042.56-130,023,851.52

Finding the Fourth Proportional to 208,476,501.48, 287,578,042.56 and 130,023,851.52

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Solution

The fourth proportional to 208,476,501.48, 287,578,042.56 and 130,023,851.52 is: 179,358,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,476,501.48 : 287,578,042.56 = 130,023,851.52 : x
  2. Step 2: Convert to fraction form
    208,476,501.48/287,578,042.56 = 130,023,851.52/x
  3. Step 3: Cross multiply
    208,476,501.48x = 287,578,042.56 × 130,023,851.52
  4. Step 4: Simplify right side
    208,476,501.48x = 37,392,004,706,233,680
  5. Step 5: Solve for x
    x = 37,392,004,706,233,680/208,476,501.48
  6. Step 6: Final answer
    x = 179,358,366.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.